ashleyshadowdem ashleyshadowdem

14-04-2015
Geography

Answered

How much of Earth's atmosphere is made up of nitrogen and oxygen?
A. 100 percent
B. Between 25 and 75 percent
C. Close to 99 percent
D. Less than 1 percent

Answer :

toltecavsmaya toltecavsmaya

14-04-2015

78% nitrogen, 21% oxygen,

Good luck

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thompzac thompzac

14-04-2015

C: close to 99% percent because it is made up of 78% nitrogen and 21% oxygen.

-Enjoy!=)

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